package main;

public interface Listable<E> {




    public int size();
    public boolean isEmpty();

    public boolean contains(E element);
    public E get(int index);
    public E set(int index, E element);

    public void add(E element);
    public void add(int index, E element);
    public E remove(int index);
    public int indexOf(E element);
    public void clear();
}
